The BA7207AS and BA7207AK are LSI components that incorporate the contain circuitry required for SECAM chroma signal processing. The ICs have both recording and playback systems and each includes a bell filter, a bandpass filter, a limiter amplifier, a multiply-by-four circuit, a divide-by-four circuit, and a sync-gate circuit.

Features
1) All filters required for SECAM chroma signal processing are provided.
2) Built-in chroma killer circuit.
3) Built-in switch circuit for selecting PAL chroma or SECAM chroma for the PB / REC system output.

Applications
    SECAM and VHS format video cassette recorders and camcorders